1) calcule:
a) 128° 59' 59"
+ 32° 36' 48"
b) 88°
- 32° 48' 42"<...
Mathematics, 13.10.2019 09:10 kprincess16r
1) calcule:
a) 128° 59' 59"
+ 32° 36' 48"
b) 88°
- 32° 48' 42"
c) 28° 36' 48"
× 4
d) 128° 49' 0" ÷ 4
2) calcule:
a) √- 144
b) √1024
3) diga-se (v) verdadeiro ou (f) falso:
a) um angulo obtuso é menos que 90° ( )
b) um angulo raso tem 180° ( )
c) um angulo reto tem 90° e sua bissetriz tem 45° ( )
d) a metade 20° 10' é 10° 20' ( )
4) mude as unidades:
a) 20° tem quantos minutos ( ' ) ?
b) 30' tem quantos segundos ( " ) ?
c) 3° 10' 25" tem quantos segundos ( " ) ?
5) resolva:
a) (-36) : (-12) =
b) (-24) : (+12) =
c) (+74) : (+2) =
d) (-15) : (-18) =
e) (+136) : (-5) =
Answers: 1
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